3-Bromo-2,4-bis(difluoromethyl)pyridine CAS 2091581-43-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2091581-43-8 |
| Molecular Formula | C7H4BrF4N |
| Molecular Weight | 258.01 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Bromo-2,4-bis(difluoromethyl)pyridine (CAS 2091581-43-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H4BrF4N. Molecular weight: 258.01 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H4BrF4N |
| Molecular Weight | 258.01 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | F/Br-containing |
| Nitrogen Atoms | 1 |
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- Semaglutide impurity 215 (CAS CATO-C4X-2226215)
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